FreeCalypso > hg > freecalypso-tools

annotate loadtools/bpdispatch.c @ 828:502aec4c1e8e

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fc-buzplay: implement playt command for PWT melodies
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 30 May 2021 20:54:02 +0000
parents 0af2529d9376
children 85091e14be9c
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1 /*
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2 * This module implements the command dispatch for fc-buzplay
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3 */
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4
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5 #include <ctype.h>
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6 #include <stdio.h>
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7 #include <string.h>
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8 #include <strings.h>
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9 #include <stdlib.h>
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10
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11 extern int cmd_baud();
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12 extern int cmd_exit();
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13 extern int cmd_play();
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14 extern int cmd_playt();
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15 extern int loadtool_cmd_passthru();
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16
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17 static struct cmdtab {
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18 char *cmd;
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19 int minargs;
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20 int maxargs;
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21 int (*func)();
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22 } cmdtab[] = {
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23 {"abbr", 2, 2, loadtool_cmd_passthru},
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24 {"abbw", 3, 3, loadtool_cmd_passthru},
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25 {"baud", 0, 1, cmd_baud},
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26 {"buzlev", 0, 1, loadtool_cmd_passthru},
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27 {"exit", 0, 1, cmd_exit},
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28 {"play", 1, 1, cmd_play},
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29 {"playt", 1, 2, cmd_playt},
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30 {"pwt", 1, 1, loadtool_cmd_passthru},
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31 {"quit", 0, 1, cmd_exit},
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32 {"r8", 1, 1, loadtool_cmd_passthru},
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33 {"r16", 1, 1, loadtool_cmd_passthru},
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34 {"r32", 1, 1, loadtool_cmd_passthru},
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35 {"w8", 2, 2, loadtool_cmd_passthru},
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36 {"w16", 2, 2, loadtool_cmd_passthru},
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37 {"w32", 2, 2, loadtool_cmd_passthru},
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38 {0, 0, 0, 0}
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39 };
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40
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41 buzplay_dispatch_cmd(cmd)
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42 char *cmd;
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43 {
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44 char *argv[10];
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45 char *cp, **ap;
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46 struct cmdtab *tp;
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47
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48 for (cp = cmd; isspace(*cp); cp++)
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49 ;
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50 if (!*cp || *cp == '#')
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51 return(0);
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52 argv[0] = cp;
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53 while (*cp && !isspace(*cp))
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54 cp++;
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55 if (*cp)
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56 *cp++ = '\0';
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57 for (tp = cmdtab; tp->cmd; tp++)
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58 if (!strcmp(tp->cmd, argv[0]))
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59 break;
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60 if (!tp->func) {
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61 fprintf(stderr, "error: no such command\n");
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62 return(-1);
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63 }
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64 for (ap = argv + 1; ; ) {
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65 while (isspace(*cp))
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66 cp++;
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67 if (!*cp || *cp == '#')
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68 break;
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69 if (ap - argv - 1 >= tp->maxargs) {
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70 fprintf(stderr, "error: too many arguments\n");
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71 return(-1);
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72 }
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73 *ap++ = cp;
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74 while (*cp && !isspace(*cp))
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75 cp++;
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76 if (*cp)
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77 *cp++ = '\0';
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78 }
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79 if (ap - argv - 1 < tp->minargs) {
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80 fprintf(stderr, "error: too few arguments\n");
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81 return(-1);
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82 }
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83 *ap = 0;
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84 return tp->func(ap - argv, argv);
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85 }